It has already been shown that every additional day causes the dominical letter to go back one place.
For example, required the dominical letter of the year 1839?
Whenever the intercalation is made there must necessarily be a change in the dominical letter.
By this rule the dominical letter is found from the commencement of the era to October 5th, 1582.
But for all Cromwell's nose wears the dominical letter, compared to Manchester he is but like the vigils to an holy-day.
On reaching home, I turned to the Chronology of history: the dominical letter was just what I wished it to be!
In this manner it is easy to find the dominical letter belonging to each of the twenty-eight years of the cycle.
It is also evident that every additional day causes the dominical letter to go back one place.
The dominical letter of that year, which was the tenth of the cycle, was consequently B.
B is also dominical letter, New Style; for we take the remainder after dividing by 7, from the same number.